Portable electric grinder



FIG. 1 is a perspective view of a portable electric grinder showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a right-side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a partially enlarged view thereof taken along lines A-A, B-B, C-C and D-D in FIG. 1; and,

FIG. 9 is a cross-sectional view thereof taken along lines IX-IX in FIG. 2.

The broken lines depict environmental subject matter only and form no part of the claimed design. 

The ornamental design for a portable electric grinder, as shown and described. 